American Journal of Mechanical Engineering
ISSN (Print): 2328-4102 ISSN (Online): 2328-4110 Website: http://www.sciepub.com/journal/ajme Editor-in-chief: Kambiz Ebrahimi, Dr. SRINIVASA VENKATESHAPPA CHIKKOL
Open Access
Journal Browser
Go
American Journal of Mechanical Engineering. 2016, 4(7), 418-422
DOI: 10.12691/ajme-4-7-34
Open AccessSpecial Issue

The Influence of Preload on Modal Parameters of a Cantilever Beam

Peter Pavelka1, , Róbert Huňady1 and Martin Hagara1

1Department of Applied Mechanics and Mechanical Engineering, Faculty of Mechanical Engineering, Letná 9, 042 00 Košice, Slovakia

Pub. Date: December 17, 2016

Cite this paper:
Peter Pavelka, Róbert Huňady and Martin Hagara. The Influence of Preload on Modal Parameters of a Cantilever Beam. American Journal of Mechanical Engineering. 2016; 4(7):418-422. doi: 10.12691/ajme-4-7-34

Abstract

The paper is focused on a determination of dynamic characteristics of a cantilever beam with a free end and dynamics characteristics of the same beam when the free end is pushed down by using a rubber string. This leads to bend of the beam and causes its preloading. The modal parameters are determined by experimental modal analysis and the results of the tests with and without preload are compared each other. The numerical simulation of non-loaded beam is the part of the study.

Keywords:
modal parameters cantilever beam preload

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

References:

[1]  Zhi-Sai Ma, Li Liu, Si-Da Zhou, Di Jiang, Yuan-Yuan He, “Effects of Bolted Connection on Beam Structural Modal Parameters” in Topics in Dynamics of Bridges, Volume 3, Kluwer Academic Publishers.
 
[2]  Bilošova, A., Modal Testing, VŠB TU Ostrava, 2011.
 
[3]  Ewins D. J. Modal testing – Theory, practice and application. 2. edition, Wiley, (2000).
 
[4]  Pavelka, P., Huňady, R., Hagara, M., Trebuňa, F. “Reciprocity in Experimental Modal Analysis”, American Journal of Mechanical Engineering Vol. 3, pp 252-256, No. 6, 2015.
 
[5]  Siemens Documentation of softvare NX 10.0.
 
[6]  Bocko, J., Sivák, P., Delyová, I. Šelestáková, Š. “Modal analysis of circular plates”, Applied Mechanics and Materials Vol. 661, pp 245-251, No. 8, 2014.